1-(6,6-Dimethyl-2-methylene-bicyclo[3.1.1]hept-3-yl)-propan-1-one

1-(5-Isopropylidene-2-methyl-cyclohex-2-enyl)-propan-1-one

1-(4,6,6-trimethyl-3-bicyclo[3.1.1]hept-3-enyl)propan-1-one

(1R,2S,5R)-6,6-dimethylspiro[bicycle[3.1.1]heptane-2,2’-oxiran]-3-one

(+)-葑酮